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IMACS MASKS FOR CHAMPLANE RUN JUNE 6-9 2005 updated (17/05/05) zip file containing 16 masks (.SMF format) replacement masks (20/05/05) zip file containing 4 masks (.SMF format)
Number of masks per field: field # bright masks # faint masks ----- -------------- ------------- NGC3256 1 GalPlane 0 2 GC 0 12 G292 0 2 ----- -------------- ------------- total 0 17 faint = mag >~ 17, exposure time 4x30 min bright = mag <~ 17, exposure time 3x 5 min
Field centers taken from .SMF files: field ra(J2000) dec(J2000) POS FLIP N&S GC Mosaic fields covered Observed? ------ ------------ ------------ --- ---- ---- ------------------------ --------- NGC3256_B 10:28:25.000 -43:59:38.70 180 N 43.8 No G292_A 11:19:04.400 -61:34:55.00 180 Y 43.8 Yes n1 G292_B 11:19:02.700 -61:29:31.00 180 Y 43.8 Yes n2 GC_A 17:47:27.650 -28:32:00.00 0 N -136.2 GC3, GC4 Yes n1 GC_B 17:47:02.000 -28:18:18.00 0 N -136.2 GC3, GC4 Yes n1 GC_C 17:45:36.100 -28:32:20.00 0 N -136.2 GC3 No GC_D 17:45:00.000 -28:45:50.00 0 N -136.2 GC1, GC2, GC3 Yes n2 GC_E 17:46:47.100 -28:44:20.00 0 N -136.2 GC1, GC3, GC4 No GC_F 17:46:39.400 -28:56:04.00 0 N -136.2 GC1 Yes n2 GC_G 17:44:47.900 -29:00:51.80 180 N 43.8 GC1, GC2 Yes n2 GC_H 17:44:41.100 -29:12:42.30 180 N 43.8 GC1, GC2 No GC_I 17:43:27.000 -29:26:31.35 180 N 43.8 GC2, GC5, GC6 No GC_J 17:45:18.900 -29:23:32.50 180 N 43.8 GC1, GC2, GC5, GC6 Yes n1 GC_K 17:43:19.800 -29:41:51.50 180 N 43.8 GC5 Yes n3 GC_L 17:47:29.100 -28:32:03.00 0 N -136.2 GC3, GC4 Yes n3 GP_1A 18:43:46.000 -03:53:09.00 0 N -136.2 Yes n3 GP_1B 18:43:46.000 -04:00:18.00 0 N -136.2 Yes n3
Mask properties (1) (2) (3) (4) (5) (6) Field Setup XHa XHm X Ha align magn Rmin Rmax Finding Charts ----- ---------------------------- ------------------ ----- -------------- -------------- NGC3256 N32_B.obs/.SMF/detector/mask 0 11 3 12 .rdb 18.1 22.9 .jpg/.ps .reg G292: G292_A.obs/.SMF/detector/mask 2 6 14 65 10 .rdb 17.563 25.000 .reg gs.reg G292_B.obs/.SMF/detector/mask 0 1 18 67 10 .rdb 17.634 23.000 .reg gs.reg GC: GC_A.obs/.SMF/detector/mask 2 5 39 5 10 .rdb 17.694 24.500 .reg gs.reg GC_B.obs/.SMF/detector/mask 1 5 35 8 8 .rdb 17.162 24.500 .reg gs.reg GC_C.obs/.SMF/detector/mask 0 2 18 6 11 .rdb 17.281 24.500 .reg gs.reg Warning GC_D.obs/.SMF/detector/mask 4 3 33 13 10 .rdb 12.087 24.500 .reg gs.reg This mask contains a bright star : OS039_108006 (V = 12.087) see: GC_D.gif/GC_D_mask.gif TAPED This mask contains another bright star: OS039_102639 (Ha = 10.663) NOT TAPED GC_E.obs/.SMF/detector/mask 0 2 36 8 11 .rdb 17.332 24.500 .reg gs.reg Warning GC_F.obs/.SMF/detector/mask 1 7 37 4 10 .rdb 12.313 24.500 .reg gs.reg This mask contains 2 bright stars : OS039_086971 (V = 13.553), and OS039_105401 (V = 12.313) TAPED see: GC_F.gif/GC_F_mask.gif Warning GC_G.obs/.SMF/detector/mask 2 1 52 4 10 .rdb 15.066 24.500 .reg gs.reg This mask contains a bright star : OS039_046480 (V = 15.066) see: GC_G.gif/GC_G_mask.gif TAPED GC_H.obs/.SMF/detector/mask 0 5 40 7 8 .rdb 17.247 24.500 .reg gs.reg GC_I.obs/.SMF/detector/mask 0 1 32 1 10 .rdb 17.570 24.500 .reg gs.reg GC_J.obs/.SMF/detector/mask 3 5 27 21 10 .rdb 17.843 24.500 .reg gs.reg GC_K.obs/.SMF/detector/mask 2 1 29 5 10 .rdb 17.333 24.500 .reg gs.reg Warning GC_L.obs/.SMF/detector/mask 1 1 37 7 7 .rdb 11.228 25.500 .reg gs.reg This mask contains 3 bright stars: OS040_034323 (V=16.950), OS037_264500 (V=11.228), OS040_043964 (V=12.801) TAPED see: GC_L.gif/GC_L_mask.gif GP: GP_1A.obs/.SMF/detector/mask 2 0 47 7 10 .rdb 17.382 23.504 .reg gs.reg GP_1B.obs/.SMF/detector/mask 1 0 48 5 9 .rdb 17.641 24.500 .reg gs.reg
For the GC and GP fields: 1. targets are taken from match lists under 'X' and 'Ha' from hea-www.harvard.edu/~zhao/opt_data alignment stars are chosen from _opt.rdb tables, 17.9 < V < 19.0 2. selection criteria and definitions for the new (=2005) masks: - faint masks : R < 17 bright masks : R >= 17 - H-alpha excess sources (no X-ray match): H-R < -0.3 && SNR > 5 && Hsharp >= -1 && Hsharp <= 1 X-ray + Halpha excess sources : H-R < -0.2 3. priority scheme (lower number = higher priority) a. X-ray + Halpha excess sources -1.5 b. X-ray sources 1 c. Halpha-excess sources 2 d. alignment stars -4.0 refinements for a+b: if target closest (of more than two matches) to center of Chandra error circle : add -0.5 if target second closest or better (of two matches) to center of Chandra error circle : add -0.5 if target closest (of two matches) to center of Chandra error circle : add -0.5 if target a unique match to Chandra position: add -0.5 refinement for b: if more than three sources within Chandra error circle: X ray sources : priority = 3
For the G292 field: 1. selection criteria and definitions for the new (=2005) masks: - faint masks : R < 17 bright masks : R >= 17 - XHa : H-alpha excess sources (no X-ray match): H-R < -0.3 && SNR > 5 && Hsharp >= -1 && Hsharp <= 1 XHm : X-ray + Halpha excess sources : H-R < -0.2 && SNR > 3 Xo : Chandra optical counterpart lev : Xray source flag nm : number of optical sources in Xray error circle mn : rank of optical counterpart by distance from center of Xray error circle. 2. priority scheme (lower number = higher priority) # XHa -2 # Xhm -1 # Xo lev>1 nm=1 0 # Xo lev>1 nm>1 mn=1 1 # Ha 1.5 # Xo lev>1 nm>1 mn=n>1 n
Here is an observing almanac made for this run.
Here is the Las Campanas Observatory 2005 Ephemeris.